Figure 10: Components to Remove from the Rear of a DC-Powered
MX2020 Router
Remove field replacement units (FRUs) from the rear of the MX2020 router before you
install the router. See Table 4 on page 20 for information about MX2020 router
components.
Table 4: Components to Remove from the Rear of a DC-PoweredMX2020
Router
Number of FRUsSlots
Component
Description
Component
No.
2Fan tray 2 and fan tray 3
(behind cage door)
Upper fan trays (two)1
1PDM3/Input1DC PDM2
99 through 17DC PSM3
1–PSM air filter4
1PDM2/Input0DC PDM5
1PDM1/Input1DC PDM6
90 through 8PSM7
Copyright © 2015, Juniper Networks, Inc.20
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